Re: LF: Re: Bad experience with loop ant

["M.J.Powell" <mike@pickmere.demon.co.uk>]

In message <387ABC73.EB1AE1BB@qsl.net>, Heinz Schnait <oe5eep@qsl.net>
writes
> Hello all,
>
> Walter Staubach wrote:
>
> > ....After realizing
> > my loop I found out, that the capacity of the loop itself between the turns
> > was already 800pF. That generates losses. Do you know that capacity in your
> > loop?
> How can one measure the capacitance of the loop itself? Any suggestions?
Measure the Inductance. L

Add a known C.

Measure resonant frequency.

Calculate what it should be from L and C.

Difference is due to C of loop!

Mike

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M.J.Powell